The wedding festivities are to kick off on Wednesday, and a source tells ET that the ceremony will be a Beauty and the Beast theme. The rehearsal dinner is to take place tonight at Meril restaurant, and while Venus is expected to attend all the engagements, she won't be the only familiar face at the wedding on Thursday.

A source tells ET that Kim Kardashian West, Beyonce and Ciara are expected to show up to CACNO for the nuptials. Guests are to be greeted with welcome drinks prior to the ceremony, which will be followed by a reception. The source says Serena will have a dress change prior to the reception, as the party is scheduled to last until 3 a.m.